VON WILLEBRAND PANEL

Code
900.1496
Name
VON WILLEBRAND PANEL
Category
None
Department
Send-Out
Start Date
Expiration Date
Synonyms
CPT Codes
85240, 85245, 85246
Site
SBMF
Reference Test
25249
ATLAS Test Code

Specimen Information

Type

2 Blue, Citrate tubes Platelet-poor plasma (PPP)

Volume

3.0 ml

Transport Info

Separate plasma from cells immediately
• Promptly centrifuge 15 minutes
• Carefully transfer plasma portion of sample to separate plastic tube using plastic pipette
• Centrifuge transferred plasma sample again to produce platelet-poor plasma (PPP)
• Use second plastic pipette to carefully transfer PPP sample into plastic aliquot tubes
Frozen

Fasting Required?
False
Patient Instructions

Test includes:
Factor VIII Assay
von Willebrand Factor Antigen
Ristocetin Cofactor Assay

Reference Range

See Report

Methodology

Refer to component tests for method information

Clinical Significance

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